+/*
+ * Copyright (c) 2007, Vanderbilt University
+ * All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose, without fee, and without written agreement is
+ * hereby granted, provided that the above copyright notice, the following
+ * two paragraphs and the author appear in all copies of this software.
+ *
+ * IN NO EVENT SHALL THE VANDERBILT UNIVERSITY BE LIABLE TO ANY PARTY FOR
+ * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
+ * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE VANDERBILT
+ * UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * THE VANDERBILT UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
+ * ON AN "AS IS" BASIS, AND THE VANDERBILT UNIVERSITY HAS NO OBLIGATION TO
+ * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
+ *
+ * Author: Miklos Maroti
+ */
+
+module IEEE154NetworkLayerP
+{
+ provides
+ {
+ interface Send;
+ interface Receive;
+ interface Receive as NonTinyosReceive[uint8_t network];
+ }
+
+ uses
+ {
+ interface Send as SubSend;
+ interface Receive as SubReceive;
+
+ interface IEEE154Packet;
+ }
+}
+
+implementation
+{
+#ifndef TINYOS_6LOWPAN_NETWORK_ID
+#define TINYOS_6LOWPAN_NETWORK_ID 0x3f
+#endif
+
+ command error_t Send.send(message_t* msg, uint8_t len)
+ {
+ call IEEE154Packet.set6LowPan(msg, TINYOS_6LOWPAN_NETWORK_ID);
+ return call SubSend.send(msg, len);
+ }
+
+ command error_t Send.cancel(message_t* msg)
+ {
+ return call SubSend.cancel(msg);
+ }
+
+ command uint8_t Send.maxPayloadLength()
+ {
+ return call SubSend.maxPayloadLength();
+ }
+
+ command void* Send.getPayload(message_t* msg, uint8_t len)
+ {
+ return call SubSend.getPayload(msg, len);
+ }
+
+ event void SubSend.sendDone(message_t* msg, error_t error)
+ {
+ signal Send.sendDone(msg, error);
+ }
+
+ event message_t *SubReceive.receive(message_t *msg, void *payload, uint8_t len)
+ {
+ uint8_t network = call IEEE154Packet.get6LowPan(msg);
+ if( network == TINYOS_6LOWPAN_NETWORK_ID )
+ return signal Receive.receive(msg, payload, len);
+ else
+ return signal NonTinyosReceive.receive[network](msg, payload, len);
+ }
+
+ default event message_t *NonTinyosReceive.receive[uint8_t network](message_t *msg, void *payload, uint8_t len)
+ {
+ return msg;
+ }
+}